Published in Journal of The Washington Academy of Sciences, in 1913, in volume 3, pages 16-19

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1913, in volume 3, pages 145-149

Created: 2011-06-06, modified: 2023-02-16

Published in Journal of The Washington Academy of Sciences, in 1913, in volume 3, pages 180-190

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of the Washington Academy of Sciences, in 1913, in volume 3, pages 432-444

Created: 2010-11-20, modified: 2023-02-16

Published in Journal of The Washington Academy of Sciences, in 1913, in volume 3, issue 4, pages 103-109

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1913, in volume 3, issue 5, pages 138-143

Created: 2015-03-16, modified: 2015-03-16